1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
# Copyright (c) 2011, 2012 Free Software Foundation
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# This project incorporates work covered by the following copyright and permission notice:
# Copyright (c) 2009, Julien Fache
# All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# * Neither the name of the author nor the names of other
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
# OF THE POSSIBILITY OF SUCH DAMAGE.
# Copyright (c) 2011, 2012 Free Software Foundation
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""Breadcrumb module for Gstudio templatetags"""
import re
from datetime import datetime
from django.core.urlresolvers import reverse
from django.utils.translation import ugettext as _
class Crumb(object):
"""Part of the Breadcrumbs"""
def __init__(self, name, url=None):
self.name = name
self.url = url
def year_crumb(creation_date):
"""Crumb for a year"""
year = creation_date.strftime('%Y')
return Crumb(year, reverse('gstudio_nodetype_archive_year',
args=[year]))
def month_crumb(creation_date):
"""Crumb for a month"""
year = creation_date.strftime('%Y')
month = creation_date.strftime('%m')
month_text = creation_date.strftime('%b').capitalize()
return Crumb(month_text, reverse('gstudio_nodetype_archive_month',
args=[year, month]))
def day_crumb(creation_date):
"""Crumb for a day"""
year = creation_date.strftime('%Y')
month = creation_date.strftime('%m')
day = creation_date.strftime('%d')
return Crumb(day, reverse('gstudio_nodetype_archive_day',
args=[year, month, day]))
GSTUDIO_ROOT_URL = lambda: reverse('gstudio_nodetype_archive_index')
MODEL_BREADCRUMBS = {'Tag': lambda x: [Crumb(_('Tags'),
reverse('gstudio_tag_list')),
Crumb(x.name)],
'Author': lambda x: [Crumb(_('Authors'),
reverse('gstudio_author_list')),
Crumb(x.username)],
'Metatype': lambda x: [Crumb(
_('Metatypes'), reverse('gstudio_metatype_list'))] + \
[Crumb(anc.title, anc.get_absolute_url())
for anc in x.get_ancestors()] + [Crumb(x.title)],
'Nodetype': lambda x: [year_crumb(x.creation_date),
month_crumb(x.creation_date),
day_crumb(x.creation_date),
Crumb(x.title)]}
DATE_REGEXP = re.compile(
r'.*(?P<year>\d{4})/(?P<month>\d{2})?/(?P<day>\d{2})?.*')
def retrieve_breadcrumbs(path, model_instance, root_name='gstudio'):
"""Build a semi-hardcoded breadcrumbs
based of the model's url handled by Gstudio"""
breadcrumbs = []
if root_name:
breadcrumbs.append(Crumb(root_name, GSTUDIO_ROOT_URL()))
if model_instance is not None:
key = model_instance.__class__.__name__
if key in MODEL_BREADCRUMBS:
breadcrumbs.extend(MODEL_BREADCRUMBS[key](model_instance))
return breadcrumbs
date_match = DATE_REGEXP.match(path)
if date_match:
date_dict = date_match.groupdict()
path_date = datetime(
int(date_dict['year']),
date_dict.get('month') is not None and \
int(date_dict.get('month')) or 1,
date_dict.get('day') is not None and \
int(date_dict.get('day')) or 1)
date_breadcrumbs = [year_crumb(path_date)]
if date_dict['month']:
date_breadcrumbs.append(month_crumb(path_date))
if date_dict['day']:
date_breadcrumbs.append(day_crumb(path_date))
breadcrumbs.extend(date_breadcrumbs)
return breadcrumbs
url_components = [comp for comp in
path.replace(GSTUDIO_ROOT_URL(), '').split('/') if comp]
if len(url_components):
breadcrumbs.append(Crumb(_(url_components[-1].capitalize())))
return breadcrumbs
|